Summary
In this chapter, we covered several security vulnerabilities, as well as employing Spring Security to circumvent those vulnerabilities. After reading this chapter, you should understand the threat of CSRF and the use of synchronizer token pattern to prevent CSRF.
You should also know how to include various HTTP headers to protect against common security vulnerabilities using the Cache-Control, Content-Type Options, HSTS, X-Frame-Options, and X-XSS-Protection methods.
In the next chapter, we will discuss how to migrate to Spring Security 6.x.
